Open source. Open possibilities.

React Email is a React + TypeScript component library for building responsive, dark-mode-aware emails, with an editor and integrations for major email providers.

AI generates natively editable PowerPoint decks from documents, topics, or PDFs. Features native shapes, charts, tables, transitions, animations, and template support. Runs locally via agent-capable AI tools.

BentoPDF is a privacy-focused, client-side PDF toolkit that allows users to manipulate, edit, and convert PDF files directly in the browser without server-side processing.

AionUi is a free, open-source desktop application that lets AI agents work alongside you on your computer. It supports 20+ CLI agents, built-in office assistants, remote access, and 24/7 scheduled automation.

Licitarium is a Windows program that mirrors PNCP data offline: tenders, contracts, price registrations, PCA plans, and unit prices in a searchable SQLite database, with automated PCA drafting and eight printed reports.

A documentation framework built on MkDocs: write in Markdown and produce a searchable, customizable static site in minutes, with responsive layouts, 60+ languages and MIT licensing.

Open-source alternative to DocSend for HTML documents. Send tracked links to HTML decks, reports, or proposals and see section-level dwell time, viewer details, and download logs. Supports self-hosting on Cloudflare + Supabase.

Reactive Resume is a free, open-source resume builder with 15 templates, live preview, and PDF/JSON/DOCX export. It supports self-hosting, AI integration, and multi-language, with no tracking or ads.

Rezuma is a browser-based resume builder that exports real, selectable PDFs and verifies ATS readability. It features live ATS checks, multilingual support including RTL Arabic, and strict privacy with no server or data uploads.

Lunita is a desktop app for writing novels and sagas. It separates planning (sections, chapters, scenes with tags) and writing into independent tabs, includes character, location, and lore cards, and exports to Markdown. The project is saved in a single .lun file.

remark is a plugin-driven markdown processor from the unified collective. It parses markdown into an AST (mdast), lets plugins inspect and transform it, and serializes it back, with 150+ plugins and a CLI for linting and formatting.

Resume Matcher is an open-source AI tool that tailors resumes and cover letters for job applications using 100+ LLMs, with local or cloud options, templates, and multi-language support.

Slidev is an open-source presentation framework for developers, using Markdown and Vue to create slides with code highlighting, live coding, themes, presenter mode, drawing, LaTeX, Mermaid diagrams, icons, recording, and export to PDF, PNG, or PPTX.

A tool for writing and generating interactive gamebooks from Markdown and YAML, with builds for HTML, PDF, EPUB, and optional MOBI.

MDX is an authorable format that lets you write JSX directly inside Markdown documents, so you can import and embed interactive components in long-form content. This repo provides packages to compile MDX to JavaScript and integrate it with bundlers and frameworks like React, Preact and Vue.

Docusaurus is an easy-to-maintain static site generator for open source documentation websites, with docs, blog, i18n, and customization features.

Stirling PDF is an open-source PDF platform for editing, signing, converting, and automating PDFs locally or on your own servers—no external services required.

Tiptap is a headless, framework-agnostic rich text editor framework built on ProseMirror. It offers over 100 extensions, supports Vue, React and plain JavaScript, and pairs with the open-source Hocuspocus collaboration backend.

A web standards-based PDF parser and viewer built with HTML5 by Mozilla, used as Firefox's built-in viewer and distributed as pdfjs-dist for web applications.

Harper is an offline, privacy-first English grammar checker built in Rust. It lints documents in milliseconds with a tiny memory footprint, unlike cloud-based or resource-heavy alternatives.